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An International Mobile Subscriber Identity-catcher, or IMSI-catcher, is a device that acts as a fake mobile tower between a cell phone and its service provider’s real towers, known as a man-in-the-middle (MITM) attack. IMSI-catchers intercept…

When you connect to the Internet, you are joining a network maintained by your Internet service provider (ISP). The ISP’s network communicates with networks maintained by other ISPs to form the basis of the Internet. Packet sniffers are computer…

DNA fingerprinting is the process of determining an individual’s a DNA profile, which is theoretically as unique as a fingerprint. DNA forensics is a considerably more sensitive tool than fingerprinting, as the “chance impressions” it uses can be…

The Global Positioning System is a project launched by the Department of Defense in 1973 for use by the United States military. In the 1980s it was allowed for civilian use, and by 1995 it was a fully operational satellite-based radionavigation…

Closed-circut television (CCTV) is the use of video cameras to transmit a signal to a limited set of monitors. Though almost all video cameras fit this definition, the term is most often applied to video surveillance, or the monitoring of areas…

The Henry Classification System is a method by which records of fingerprints are indexed by physiological characteristics, allowing for one-to-many searching. In 1859, a British Chief Magistrate in colonized India discovered that fingerprints remain…

In 1883, a French criminologist by the name of Alphonse Bertillon invented the first system of recording physical measurements, taking photographs, and record-keeping for police to identify criminals. Before Bertillon, suspects were only identified…